Audio listening system



FIG. 1 is a perspective view of the audio listening system in accordance with the present invention;

FIG. 2 is a right side view of the embodiment of the audio listening system depicted in FIG. 1;

FIG. 3 is a front view of the embodiment of the audio listening system depicted in FIG. 1;

FIG. 4 is a back view of the embodiment of the audio listening system depicted in FIG. 1;

FIG. 5 is a left side view of the embodiment of the audio listening system depicted in FIG. 1;

FIG. 6 is a top plan view of the embodiment of the audio listening system depicted in FIG. 1; and,

FIG. 7 is a bottom plan view of the embodiment of the audio listening system depicted in FIG. 1.

The broken lines showing the environment in the Figures are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for an audio listening system, as shown and described. 